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充电短路故障

Other Parts Discussed in Thread: BQ77910A

我想知道,为什么我在使用bq77910A时,只要将CHGCTL端外接一个15K电阻到PACK+端,板子就会出现short circuit chg,但是,此时并未接上充电器。而将15K的电阻去掉,或者变大,则短路故障short circuit chg又会消除,按道理short circuit chg应该只和充电电流有关,怎么会和CHGCTL挂钩。

求各位大侠指教。